Title :
Effects of cavity ground plane on UWB Archimedean spiral antenna
Author :
Shire, A.M. ; Jahun, K.I. ; Ashwal, W.A. ; Jenu, M.Z.M. ; Ramli, K.N.
Author_Institution :
Dept. of Commun. Eng., Univ. Tun Hussein Onn Malaysia, Parit Raja, Malaysia
Abstract :
One of the important properties of Archimedean spiral antenna (ASA) is its unidirectional radiation pattern properties. This property is mainly achieved by using ground plane placed behind the spiral antenna. This paper presents the effects of air cavity ground plane on the design of two arms ASA. The GP is placed at λ/4 for the selected design frequencies. The GP deteriorates the antenna´s performance as it is placed near to the antenna. The simulated results of return loss, gain, axial ratio, radiation pattern and radiation efficiency are obtained by using commercial electromagnetic simulator, CST..
Keywords :
antenna radiation patterns; spiral antennas; UWB Archimedean spiral antenna; air cavity ground plane; antenna axial ratio; antenna gain; antenna radiation efficiency; antenna radiation pattern; antenna return loss; unidirectional radiation pattern; Antennas; Dielectrics; Europe; Global Positioning System; Substrates; ASA; Ground plane reflector; UWB;
Conference_Titel :
Computer, Communications, and Control Technology (I4CT), 2015 International Conference on
Conference_Location :
Kuching
DOI :
10.1109/I4CT.2015.7219622
